GarbageCollectorAction.java |
1 /** 2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved. 3 * 4 * 5 * 6 * 7 * The contents of this file are subject to the terms of the Liferay Enterprise 8 * Subscription License ("License"). You may not use this file except in 9 * compliance with the License. You can obtain a copy of the License by 10 * contacting Liferay, Inc. See the License for the specific language governing 11 * permissions and limitations under the License, including but not limited to 12 * distribution rights of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 */ 22 23 package com.liferay.portal.events; 24 25 import com.liferay.portal.kernel.events.SessionAction; 26 import com.liferay.portal.kernel.log.Log; 27 import com.liferay.portal.kernel.log.LogFactoryUtil; 28 29 import java.text.NumberFormat; 30 31 import javax.servlet.http.HttpSession; 32 33 /** 34 * <a href="GarbageCollectorAction.java.html"><b><i>View Source</i></b></a> 35 * 36 * @author Brian Wing Shun Chan 37 */ 38 public class GarbageCollectorAction extends SessionAction { 39 40 public void run(HttpSession session) { 41 Runtime runtime = Runtime.getRuntime(); 42 43 NumberFormat nf = NumberFormat.getInstance(); 44 45 if (_log.isDebugEnabled()) { 46 _log.debug( 47 "Before:\t\t" + 48 nf.format(runtime.freeMemory()) + "\t" + 49 nf.format(runtime.totalMemory()) + "\t" + 50 nf.format(runtime.maxMemory())); 51 } 52 53 System.gc(); 54 55 if (_log.isDebugEnabled()) { 56 _log.debug( 57 "After:\t\t" + 58 nf.format(runtime.freeMemory()) + "\t" + 59 nf.format(runtime.totalMemory()) + "\t" + 60 nf.format(runtime.maxMemory())); 61 } 62 } 63 64 private static Log _log = 65 LogFactoryUtil.getLog(GarbageCollectorAction.class); 66 67 }